"Four" is a hard bop composition written by Miles Davis during his prolific mid-1950s period with the Prestige label. The tune features a lyrical, concise melody characterized by a balance of stepwise motion and wider intervals, creating an understated theme that is both melodically appealing and well suited as a vehicle for improvisation. The harmony employs functional chord changes rooted in bop conventions, with blues-inflected progressions that give the piece a grounded, swinging character without excessive complexity. Davis likely composed the tune around 1955-1956 during the marathon recording sessions with his first great quintet, which included John Coltrane, Red Garland, Paul Chambers, and Philly Joe Jones. The piece exemplifies Davis's emerging voice as a composer-bandleader, favoring economy and space over the dense chromaticism of bebop. Within his body of work, "Four" occupies the transitional ground between his cool jazz sensibility and the harder-edged aesthetic he was developing with this quintet, predating his later modal experiments. Though not as widely covered as some of Davis's other originals like "Solar" or "Tune Up," the composition has remained a respected part of the jazz repertoire, valued by musicians for its melodic elegance and the room it affords soloists to develop extended improvisations within a familiar harmonic framework.